Files
lcd-image-converter/classes/data/datacontainer.h
2014-05-20 23:57:58 +06:00

79 lines
2.2 KiB
C++

/*
* LCD Image Converter. Converts images and fonts for embedded applications.
* Copyright (C) 2010 riuson
* mailto: riuson@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
#ifndef DATACONTAINER_H
#define DATACONTAINER_H
#include <QObject>
#include <QMap>
#include <QStringList>
#include <QString>
#include <QStringList>
#include <QVariant>
//-----------------------------------------------------------------------------
class QImage;
class HistoryKeeper;
//-----------------------------------------------------------------------------
class DataContainer : public QObject
{
Q_OBJECT
public:
explicit DataContainer(QObject *parent = 0);
virtual ~DataContainer();
const QImage *image(const QString &key) const;
void setImage(const QString &key, const QImage *image);
QVariant info(const QString &key) const;
void setInfo(const QString &key, const QVariant &value);
void clear();
int count() const;
QStringList keys() const;
void removeImage(const QString &key);
void reorderTo(const QStringList *keys);
bool historyInitialized() const;
void historyInit();
void stateSave();
void stateUndo();
void stateRedo();
bool canUndo() const;
bool canRedo() const;
bool changed() const;
void setChanged(bool value);
private:
static const QString DataChangedKey;
QMap<QString, QImage *> mImageMap;
QMap<QString, QVariant> mInfoMap;
QStringList mKeys;
QImage *mDefaultImage;
HistoryKeeper *mHistory;
signals:
void dataChanged(bool historyStateMoved);
};
//-----------------------------------------------------------------------------
#endif // DATACONTAINER_H